Bump to v2.2

4 jobs for release-2.1 in 1 minute and 12 seconds
Status Job ID Name Coverage
  Test
passed #126113335
python 3.4

00:01:03

passed #126113334
python 3.5

00:01:12

passed #126113333
python 3.6

00:00:56

passed #126113332
python 3.7

00:00:56